These are truly TECHNICALLY ADVANCED and are available for most chainsets. Computer generated tooth profiles optimise power transfer and prolong drivetrain life. Stainless steel pick-up pins and machined shifting aids on the middle and outer rings provide the smoothest changes possible on 8 and 9 speed systems, even under power! Gives fast and precise gear changing….
– TA 64 PCD Chinnok 4-Arm MTB Inner Chainring 22-24T Chainrings – £22.99 (RRP – £)